The Sm4 electric multiple unit is a low-floor train used by the VR Group for its VR commuter rail services. The initial order was for ten EMUs with the first unit entering service in 1999. Another 20
2 refurbished Sm4 units side by side at Helsinki Central station.
The interior of a refurbished Sm4 unit
Sm4 train with a refreshed passenger information system on a main line service
Helsinki commuter rail is a commuter rail system serving the Helsinki metropolitan area. The system is managed by the Helsinki Regional Transport Authority and operations are contracted out to VR at l
JKOY Class Sm5 at Tuomarila railway station
Sm5 EMU at Riihimäki on a test run in February 2009 prior to entering commercial service.
Sm2 EMU from the 1970s between Pasila and Helsinki in old colors (June 2001)